//前端下载文件为txt，把一大串字符写入txt,并生成txt文件
(function (a, b) {
    if ("function" == typeof define && define.amd) define([], b); else if ("undefined" != typeof exports) b(); else {
        b(), a.FileSaver = {exports: {}}.exports
    }
})(this, function () {
    "use strict";

    function b(a, b) {
        return "undefined" == typeof b ? b = {autoBom: !1} : "object" != typeof b && (console.warn("Deprecated: Expected third argument to be a object"), b = {autoBom: !b}), b.autoBom && /^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(a.type) ? new Blob(["\uFEFF", a], {type: a.type}) : a
    }

    function c(b, c, d) {
        var e = new XMLHttpRequest;
        e.open("GET", b), e.responseType = "blob", e.onload = function () {
            a(e.response, c, d)
        }, e.onerror = function () {
            console.error("could not download file")
        }, e.send()
    }

    function d(a) {
        var b = new XMLHttpRequest;
        b.open("HEAD", a, !1);
        try {
            b.send()
        } catch (a) {
        }
        return 200 <= b.status && 299 >= b.status
    }

    function e(a) {
        try {
            a.dispatchEvent(new MouseEvent("click"))
        } catch (c) {
            var b = document.createEvent("MouseEvents");
            b.initMouseEvent("click", !0, !0, window, 0, 0, 0, 80, 20, !1, !1, !1, !1, 0, null), a.dispatchEvent(b)
        }
    }

    var f = "object" == typeof window && window.window === window ? window : "object" == typeof self && self.self === self ? self : "object" == typeof global && global.global === global ? global : void 0,
        a = f.saveAs || ("object" != typeof window || window !== f ? function () {
        } : "download" in HTMLAnchorElement.prototype ? function (b, g, h) {
            var i = f.URL || f.webkitURL, j = document.createElement("a");
            g = g || b.name || "download", j.download = g, j.rel = "noopener", "string" == typeof b ? (j.href = b, j.origin === location.origin ? e(j) : d(j.href) ? c(b, g, h) : e(j, j.target = "_blank")) : (j.href = i.createObjectURL(b), setTimeout(function () {
                i.revokeObjectURL(j.href)
            }, 4E4), setTimeout(function () {
                e(j)
            }, 0))
        } : "msSaveOrOpenBlob" in navigator ? function (f, g, h) {
            if (g = g || f.name || "download", "string" != typeof f) navigator.msSaveOrOpenBlob(b(f, h), g); else if (d(f)) c(f, g, h); else {
                var i = document.createElement("a");
                i.href = f, i.target = "_blank", setTimeout(function () {
                    e(i)
                })
            }
        } : function (a, b, d, e) {
            if (e = e || open("", "_blank"), e && (e.document.title = e.document.body.innerText = "downloading..."), "string" == typeof a) return c(a, b, d);
            var g = "application/octet-stream" === a.type, h = /constructor/i.test(f.HTMLElement) || f.safari,
                i = /CriOS\/[\d]+/.test(navigator.userAgent);
            if ((i || g && h) && "undefined" != typeof FileReader) {
                var j = new FileReader;
                j.onloadend = function () {
                    var a = j.result;
                    a = i ? a : a.replace(/^data:[^;]*;/, "data:attachment/file;"), e ? e.location.href = a : location = a, e = null
                }, j.readAsDataURL(a)
            } else {
                var k = f.URL || f.webkitURL, l = k.createObjectURL(a);
                e ? e.location = l : location.href = l, e = null, setTimeout(function () {
                    k.revokeObjectURL(l)
                }, 4E4)
            }
        });
    f.saveAs = a.saveAs = a, "undefined" != typeof module && (module.exports = a)
});
